Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Mr Armstrongs Report on Collieries, 1873 (report)
Report given to The Tredegar Iron Co. Ltd. by Mr Armstrong. Dated November 28th 1873. Handwritten on 19 pages and loosely bound. Folded.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.